#!/usr/bin/python

# The ChartDirector for Python module is assumed to be in "../lib"
import sys, os
sys.path.insert(0, os.path.join(os.path.abspath(sys.path[0]), "..", "lib"))

from pychartdir import *

# The data for the bar chart
data0 = [100, 125, 156, 147, 87, 124, 178, 109, 140, 106, 192, 122]
data1 = [122, 156, 179, 211, 198, 177, 160, 220, 190, 188, 220, 270]
data2 = [167, 190, 213, 267, 250, 320, 212, 199, 245, 267, 240, 310]
labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"]

# Create a XYChart object of size 580 x 280 pixels
c = XYChart(580, 280)

# Add a title to the chart using 14pt Arial Bold Italic font
c.addTitle("Product Revenue For Last 3 Years", "Arial Bold Italic", 14)

# Set the plot area at (50, 50) and of size 500 x 200. Use two alternative background colors (f8f8f8
# and ffffff)
c.setPlotArea(50, 50, 500, 200, 0xf8f8f8, 0xffffff)

# Add a legend box at (50, 25) using horizontal layout. Use 8pt Arial as font, with transparent
# background.
c.addLegend(50, 25, 0, "Arial", 8).setBackground(Transparent)

# Set the x axis labels
c.xAxis().setLabels(labels)

# Draw the ticks between label positions (instead of at label positions)
c.xAxis().setTickOffset(0.5)

# Add a multi-bar layer with 3 data sets
layer = c.addBarLayer2(Side)
layer.addDataSet(data0, 0xff8080, "Year 2003")
layer.addDataSet(data1, 0x80ff80, "Year 2004")
layer.addDataSet(data2, 0x8080ff, "Year 2005")

# Set 50% overlap between bars
layer.setOverlapRatio(0.5)

# Add a title to the y-axis
c.yAxis().setTitle("Revenue (USD in millions)")

# Output the chart
c.makeChart("overlapbar.png")

